The industry favorite Linux guide, updated for Red Hat Enterprise Linux 7 and the cloud Linux Bible, 9th Edition is the ultimate hands-on Linux user guide, whether you're a true beginner or a more advanced user navigating recent changes. This updated ninth edition covers the latest versions of Red Hat Enterprise Linux 7 (RHEL 7), Fedora 21, and Ubuntu 14.04 LTS, and includes new information on cloud computing and development with guidance on Openstack and Cloudforms. With a focus on RHEL 7, this practical guide gets you up to speed quickly on the new enhancements for enterprise-quality file systems, the new boot process and services management, firewalld, and the GNOME 3 desktop. Written by a Red Hat expert, this book provides the clear explanations and step-by-step instructions that demystify Linux and bring the new features seamlessly into your workflow.
This useful guide assumes a base of little or no Linux knowledge, and takes you step by step through what you need to know to get the job done.
- Get Linux up and running quickly
- Master basic operations and tackle more advanced tasks
- Get up to date on the recent changes to Linux server system management
- Bring Linux to the cloud using Openstack and Cloudforms
Linux Bible, 9th Edition is the one resource you need, and provides the hands-on training that gets you on track in a flash.
Table of Contents:
Acknowledgments xi
Introduction xxxiii
Part I: Getting Started 1
Chapter 1: Starting with Linux 3
Understanding What Linux Is 4
Understanding How Linux Differs from Other Operating Systems 6
Exploring Linux History 6
Understanding How Linux Distributions Emerged 16
Finding Professional Opportunities with Linux Today 20
Summary 26
Chapter 2: Creating the Perfect Linux Desktop 29
Understanding Linux Desktop Technology 30
Starting with the Fedora GNOME Desktop Live image 32
Using the GNOME 3 Desktop 33
Using the GNOME 2 Desktop 49
Summary 60
Exercises 61
Part II: Becoming a Linux Power User 63
Chapter 3: Using the Shell 65
About Shells and Terminal Windows 66
Choosing Your Shell 69
Running Commands 70
Recalling Commands Using Command History 76
Connecting and Expanding Commands 82
Using Shell Variables 85
Creating Your Shell Environment 88
Getting Information about Commands 92
Summary 94
Exercises 95
Chapter 4: Moving around the Filesystem 97
Using Basic Filesystem Commands 100
Using Metacharacters and Operators 102
Listing Files and Directories 105
Understanding File Permissions and Ownership 109
Moving, Copying, and Removing Files 114
Summary 115
Exercises 115
Chapter 5: Working with Text Files 117
Editing Files with vim and vi 117
Finding Files125
Summary 134
Exercises 134
Chapter 6: Managing Running Processes 137
Understanding Processes 137
Listing Processes 138
Managing Background and Foreground Processes 144
Killing and Renicing Processes 146
Limiting Processes with cgroups 149
Summary 151
Exercises 151
Chapter 7: Writing Simple Shell Scripts 153
Understanding Shell Scripts 153
Summary 168
Exercises 169
Part III: Becoming a Linux System Administrator 171
Chapter 8: Learning System Administration 173
Understanding System Administration 173
Using Graphical Administration Tools 175
Using the root user account 177
Exploring Administrative Commands, Configuration Files, and Log Files 182
Using Other Administrative Accounts 189
Checking and Configuring Hardware 190
Summary 199
Exercises 199
Chapter 9: Installing Linux x 201
Choosing a Computer 202
Installing Fedora from Live media 203
Installing Red Hat Enterprise Linux from Installation Media 208
Understanding Cloud-Based Installations 211
Installing Linux in the Enterprise 211
Exploring Common Installation Topics 213
Summary 231
Exercises 231
Chapter 10: Getting and Managing Software 233
Managing Software on the Desktop 233
Going Beyond the Software Window 235
Understanding Linux RPM and DEB Software Packaging 236
Managing RPM Packages with YUM 240
Installing, Querying, and Verifying Software with the rpm Command 252
Managing Software in the Enterprise 256
Summary 257
Exercises 258
Chapter 11: Managing User Accounts 259
Creating User Accounts 259
Understanding Group Accounts 268
Managing Users in the Enterprise 270
Centralizing User Accounts 278
Summary 281
Exercises 281
Chapter 12: Managing Disks and Filesystems 283
Understanding Disk Storage 283
Partitioning Hard Disks 285
Using Logical Volume Management Partitions 295
Mounting Filesystems 301
Using the mkfs Command to Create a Filesystem 310
Summary 311
Exercises 311
Part IV: Becoming a Linux Server Administrator 313
Chapter 13: Understanding Server Administration 315
Starting with Server Administration 316
Managing Remote Access with the Secure Shell Service 323
Configuring System Logging 334
Checking System Resources with sar 340
Checking System Space 341
Managing Servers in the Enterprise 344
Summary 344
Exercises 345
Chapter 14: Administering Networking 347
Configuring Networking for Desktops 348
Configuring Networking from the Command Line 360
Configuring Networking in the Enterprise 371
Summary 374
Exercises 374
Chapter 15: Starting and Stopping Services 377
Understanding the Initialization Daemon (init or systemd) 378
Checking the Status of Services 399
Stopping and Starting Services 403
Enabling Persistent Services 408
Configuring a Default Runlevel or Target Unit 412
Adding New or Customized Services 414
Summary 422
Exercises 422
Chapter 16: Configuring a Print Server 423
Common UNIX Printing System 423
Setting Up Printers 425
Working with CUPS Printing 435
Using Printing Commands 439
Configuring Print Servers 441
Summary 446
Exercises 446
Chapter 17: Configuring a Web Server 449
Understanding the Apache Web Server 449
Getting and Installing Your Web Server 450
Starting Apache 454
Troubleshooting Your Web Server 471
Summary 475
Exercises 475
Chapter 18: Configuring an FTP Server 477
Understanding FTP 477
Installing the vsftpd FTP Server 479
Starting the vsftpd Service480
Securing Your FTP Server 483
Configuring Your FTP Server 488
Using FTP Clients to Connect to Your Server 492
Summary 496
Exercises 497
Chapter 19: Configuring a Windows File Sharing (Samba) Server r 499
Understanding Samba 499
Installing Samba 500
Starting and Stopping Samba 502
Securing Samba 506
Configuring Samba 511
Accessing Samba Shares 521
Using Samba in the Enterprise 525
Summary 525
Exercises 526
Chapter 20: Configuring an NFS File Server r 527
Installing an NFS Server 529
Starting the NFS service 530
Sharing NFS Filesystems 531
Securing Your NFS Server 536
Using NFS Filesystems 540
Unmounting NFS filesystems 549
Summary 549
Exercises 550
Chapter 21: Troubleshooting Linux 551
Boot-Up Troubleshooting 551
Troubleshooting Software Packages 568
Troubleshooting Networking 573
Troubleshooting Memory 580
Troubleshooting in Rescue Mode 585
Summary 587
Exercises 587
Part V: Learning Linux Security Techniques 589
Chapter 22: Understanding Basic Linux Security 591
Understanding Security Basics 591
Monitoring Your Systems 608
Auditing and Reviewing Linux 622
Summary 624
Exercises 624
Chapter 23: Understanding Advanced Linux Security 627
Implementing Linux Security with Cryptography 627
Implementing Linux Security with PAM 648
Summary 668
Exercises 668
Chapter 24: Enhancing Linux Security with SELinux 669
Understanding SELinux Benefits 669
Understanding How SELinux Works 671
Configuring SELinux 679
Monitoring and Troubleshooting SELinux 689
Putting It All Together 694
Obtaining More Information on SELinux 695
Summary 695
Exercises 696
Chapter 25: Securing Linux on a Network 699
Auditing Network Services 699
Working with Firewalls 710
Summary 724
Exercises 724
Part VI: Extending Linux into the Cloud 727
Chapter 26: Using Linux for Cloud Computing 729
Overview of Linux and Cloud Computing 729
Trying Basic Cloud Technology 732
Setting Up a Small Cloud 734
Summary 747
Exercises 747
Chapter 27: Deploying Linux to the Cloud 749
Getting Linux to Run in a Cloud 749
Creating Linux Images for Clouds 751
Using OpenStack to Deploy Cloud Images 760
Using Amazon EC2 to Deploy Cloud Images 765
Summary 766
Part VII: Appendixes 769
Appendix A: Media 771
Appendix B: Exercise Answers 781
Index 839
About the Author :
Christopher Negus has been teaching and writing about Linux and UNIX for more than 25 years. He is an instructor and principal technical writer for Red Hat, Inc., and the author of dozens of Linux and UNIX books, including Red Hat Linux Bible (all editions), CentOS Bible, Fedora Bible, Ubuntu Linux Toolbox, Linux Troubleshooting Bible, Linux Toys, and Linux Toys II.
